Avatar Information Extraction System.
T. S. JayramRajasekar KrishnamurthySriram RaghavanShivakumar VaithyanathanHuaiyu ZhuPublished in: IEEE Data Eng. Bull. (2006)
Keyphrases
- information extraction
- natural language processing
- precision and recall
- free text
- information retrieval
- named entity recognition
- text mining
- virtual world
- question answering
- structured data
- textual data
- semi structured
- relation extraction
- semantic tagging
- ontology based information extraction
- text processing
- information extraction systems
- named entities
- human computer interaction
- machine learning
- web mining
- text documents
- unstructured text
- natural language
- machine translation
- data sets
- conditional random fields
- web documents
- expert systems
- open domain
- databases